Park Si-hoo

Kim Seung Yoo

Moon Chae-won

Lee Se Ryung

Hong Soo-hyun

Princess Kyung Hye

Song Jong-ho

Shin Myeon

Lee Min-woo

Jeong Jong

Lee Soon-jae

Kim Jong Seo

Kim Yeong-cheol

Prince Suyang

Uhm Hyo-seop

Yi Gae, Seung-yoo, Jong and Myeon's former teacher

Kim Yoo-bin

Kim Ah-kang

Choi Moo-seong

Ham-gwi

Choi Han-bit

Moo-yeong

Cha Min-jee

Yeo-ri

Lee Hyo-jeong

Shin Sook-joo